Hitori


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Hitori is a logic puzzle with simple rules and challenging solutions.

The rules of Hitori are simple:
You have to shade some of the cells of the grid according to the rules:
- No number should appear unshaded more than once in a row or a column.
- 2 black cells cannot be adjacent horizontally or vertically.
- All non-shaded cells should be connected in a single group by vertical or horizontal motion.

Video Tutorial
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Hitori


5x5 Easy Hitori | 5x5 Normal Hitori | 5x5 Hard Hitori | 10x10 Easy Hitori | 10x10 Normal Hitori | 10x10 Hard Hitori | 15x15 Easy Hitori | 15x15 Normal Hitori | 15x15 Hard Hitori | 20x20 Easy Hitori | 20x20 Normal Hitori | 20x20 Hard Hitori

New Puzzle
This Month
1. nallie
44
 03:16.66
2. PheromoneJones 03:33.00
3. PuzzleMaestro
99
 03:44.13
4. OliverA 04:49.59
5. rekted 05:40.00
6. spen sp2
63
 05:49.54
7. Lore1 05:56.02
8. pandabiubiu
103
 05:57.71
9. stemvork 08:13.82
10. Menna
26
 09:21.53
11. 김지민1
1
 09:29.88
12. css861 09:35.24
13. Edash
148
 11:14.89
14. Ernie A.
109
 11:59.66
15. mamawilma
101
 12:20.45
16. Puninos
74
 12:44.61
17. lineymist
33
 13:15.07
18. yorcho
89
 14:37.63
19. THEmary
10
 19:03.17
20. LrCaWm 25:38.34
This Week
1. PheromoneJones 03:44.13
2. Lore1 05:56.02
3. pandabiubiu
103
 07:04.57
4. stemvork 08:13.82
5. Puninos
74
 13:46.43
6. Edash
148
 16:58.54
7. mamawilma
101
 17:18.11
8. LrCaWm 25:38.34
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Today
1. pandabiubiu
103
 10:39.89
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MO3
1. numbrr
322
 01:45.66
2. nabi
92
 01:49.50
3. Timitz
23
 01:50.62
4. Make
286
 01:57.85
5. daanbe
239
 02:42.47
6. qqwref
266
 02:44.21
7.anonymous
123
 02:57.38
8. SilverHawk
216
 03:00.97
9. vx14
184
 03:02.40
10. Ola Lenik
77
 03:06.54
AO5
1. numbrr
322
 01:53.28
2. nabi
92
 01:54.08
3. Make
286
 02:03.39
4. Timitz
23
 02:13.04
5. qqwref
266
 02:52.46
6. daanbe
239
 02:56.59
7. vx14
184
 03:02.40
8. SilverHawk
216
 03:03.57
9.anonymous
123
 03:07.67
10. LittlePiggy
83
 03:12.40
AO12
1. numbrr
322
 01:59.69
2. nabi
92
 02:01.22
3. Make
286
 02:11.53
4. Timitz
23
 02:49.60
5. qqwref
266
 02:57.25
6. SilverHawk
216
 03:04.78
7. daanbe
239
 03:14.09
8. vx14
184
 03:17.70
9. Ola Lenik
77
 03:20.50
10.anonymous
123
 03:25.87
Robots / programmatic solversinfo  
1.tlstyer
151
00:00.015
2.jllachan00:00.495
3.BertinSylux98
34
00:02.885

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
You need to be logged in to track your averages

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